My encounter with LA's raw-milk, powdered-meat smoothie
theguardian.com
theguardian.com
anyways, loads of nutrition in beef liver, for sure. but i would never pay 20 bucks for a drink.
*) And maybe yogurt and other fermented things too?
edit: even cheese made from raw milk can potentially transmit disease, depending on the cheese, so bit of a note there that in general anything made from raw milk may be dangerous.